EFI Kits, Fuel Injectors, Throttle Bodies & More

Fuel System Dampers, Billet Aluminum, Black Anodized, 40-100 psi, -6 AN Male Threads Inlet/Outlet, Extended Range, Each

Part Number: HLY-12-1004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Pump Relay Harness, Fuel Injection System Component, FAST EZ-EFI, Each

Part Number: FST-30255

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Fuel Injection System Components, Holley EFI, CAN Extension Harness, 8 ft. Long, Pre-Terminated, Plug-and-Play, for Racepak, External CAN Drives, Each

Part Number: HLY-558-425

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Fuel Injection System Components, Holley EFI, CAN Extension Harness, 12 ft. Long, Pre-Terminated, Plug-and-Play, for Racepak/External CAN Drives, Each

Part Number: HLY-558-426

2.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Regulator, Bluetooth, Kit

Part Number: SNE-550-511-BAE

3.0 out of 5 stars ( 2 )

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Wiring Harness, Multi-port Injection, Mass Airflow Meter, LS3 w/4L65E Trans Only, Throttle by Wire, Chevy, Kit

Part Number: PRF-60524

3.0 out of 5 stars ( 1 )

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Fuel Injection Pumps, Dual Tank, Includes, Filter, Wire Harness, Relays, for 4-barrel, Pro-Jection System, Kit

Part Number: HLY-534-38

5.0 out of 5 stars ( 2 )

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Fuel System Dampers, Billet Aluminum, Black Anodized, 40-70 psi, -6 AN Male Threads Inlet/Outlet, Standard Range, Each

Part Number: HLY-12-1002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 5 in. Display, Kit

Part Number: SNE-550-510-5AE

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Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-511-5AX

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Wiring Harness, Gen III Vortec, Chevy, 4.8/5.3/6.0L, Each

Part Number: PRF-60218

5.0 out of 5 stars ( 1 )

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Fuel Injection System Components, Holley EFI, CAN Extension Harness, 9 in. Long, Pre-Terminated, Plug-and-Play, for Racepak/External CAN Drives, Each

Part Number: HLY-558-428

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Fuel System Dampers, Billet Aluminum, Black Anodized, 40-100 psi, -6 AN Female Threads Inlet/Outlet, Standard Range, Each

Part Number: HLY-12-1008

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Wiring Harness, Fuel Injection, Standard Length, Throttle By Wire, Chevy, Pontiac, LS1, 5.7L, Kit

Part Number: PRF-60522

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 58X Crank Sensor, Includes Power, EV6 Injector, Main Harnesses, for HP, Dominator ECUs, Kit

Part Number: HLY-558-501

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel Injection System, Go EFI, 2-Barrel 400HP, Aluminum, Classic Gold, Force Fuel System, Self-Tuning ECU, Kit

Part Number: FIF-35001

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Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Regulator, Bluetooth, Kit

Part Number: SNE-550-510-BAE

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Wire Harnesses, Sniper 2 EFI, Input/Output Harness, Throttle Body Injection, Speed Density Metered, 6-pin Female Connector, Each

Part Number: SNE-558-497

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Gen III Hemi, Injector Harness, Bosch/Jetronic/Holley, for HP, Dominator EFI, Each

Part Number: HLY-558-211

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Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 5.7L, Each

Part Number: PRF-60608

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injection System Wiring Harnesses, Holley EFI, Terminator Stealth 2x4, Upgrade Main Harness, Plug-and-Play, Universal, Kit

Part Number: HLY-558-121

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Fuel Injection System Components, MSD Atomic TBI ECUs, MSD Atomic TBI EFI Style, Each

Part Number: MSD-2906

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Gen III Hemi, Injector Harness, Stock/USCAR Injectors, for HP, Dominator EFI, Each

Part Number: HLY-558-210

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Injector Harness, Multi-Port, for HP, Dominator EFI Systems, Each

Part Number: HLY-558-209

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Fuel Injection System Components, Holley EFI, M8. Pro Dash, Service Harness, Black, Each

Part Number: HLY-558-486

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